@book { SympathyfortheCyberbully,
    title = "Sympathy for the Cyberbully",
    author = "Arthur S. {Hayes}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-1725-1",
    url = "https://www.peterlang.com/document/1051776"
}